ci: add clean task to maven publish steps

Author: fadi-george

.github/workflows/publish-release.yml

@@ -109,7 +109,7 @@ jobs:
         if: github.event.inputs.release_on_maven == 'true'
         working-directory: OneSignalSDK
         run: |
-          ./gradlew publishAndReleaseToMavenCentral --no-configuration-cache \
+          ./gradlew clean publishAndReleaseToMavenCentral --no-configuration-cache \
             -PmavenCentralUsername="$MAVEN_USERNAME" \
             -PmavenCentralPassword="$MAVEN_PASSWORD" \
             -Psigning.keyId="$SDK_SIGNING_KEY_ID" \
@@ -120,7 +120,7 @@ jobs:
         if: github.event.inputs.release_on_maven != 'true'
         working-directory: OneSignalSDK
         run: |
-          ./gradlew publishToMavenCentral --no-configuration-cache \
+          ./gradlew clean publishToMavenCentral --no-configuration-cache \
             -PmavenCentralUsername="$MAVEN_USERNAME" \
             -PmavenCentralPassword="$MAVEN_PASSWORD" \
             -Psigning.keyId="$SDK_SIGNING_KEY_ID" \